diff options
| author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-09 13:04:39 +0200 |
|---|---|---|
| committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2016-05-09 13:06:51 +0200 |
| commit | f57f513d9bb0f0b92e37c0d7f73cbb751f046df2 (patch) | |
| tree | 7ed77bc4cceae72665e3150e5b10646fb9a1ba08 /c | |
| parent | bsp/qoriq: Set M and G bits in ENTRY_DEV_CACHED() (diff) | |
| download | rtems-f57f513d9bb0f0b92e37c0d7f73cbb751f046df2.tar.bz2 | |
bsp/qoriq: Add portal clear functions
Diffstat (limited to 'c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/Makefile.am | 1 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/include/qoriq.h | 3 | ||||
| -rw-r--r-- | c/src/lib/libbsp/powerpc/qoriq/startup/portal.c | 43 |
3 files changed, 47 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/qoriq/Makefile.am b/c/src/lib/libbsp/powerpc/qoriq/Makefile.am index 25def4fe12..f834aa834e 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/Makefile.am +++ b/c/src/lib/libbsp/powerpc/qoriq/Makefile.am @@ -75,6 +75,7 @@ libbsp_a_SOURCES += \ startup/mmu.c \ startup/mmu-tlb1.S \ startup/mmu-config.c \ + startup/portal.c \ startup/restart.S \ startup/bsppredriverhook.c \ startup/bspstart.c \ diff --git a/c/src/lib/libbsp/powerpc/qoriq/include/qoriq.h b/c/src/lib/libbsp/powerpc/qoriq/include/qoriq.h index 28228cb7bc..456a3b54bd 100644 --- a/c/src/lib/libbsp/powerpc/qoriq/include/qoriq.h +++ b/c/src/lib/libbsp/powerpc/qoriq/include/qoriq.h @@ -527,6 +527,9 @@ extern volatile qoriq_ccsr qoriq; #if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT) extern uint8_t qoriq_bman_portal[2][16777216]; extern uint8_t qoriq_qman_portal[2][16777216]; + +void qoriq_clear_ce_portal(void *base, size_t size); +void qoriq_clear_ci_portal(void *base, size_t size); #endif static inline void qoriq_reset_qman_and_bman(void) diff --git a/c/src/lib/libbsp/powerpc/qoriq/startup/portal.c b/c/src/lib/libbsp/powerpc/qoriq/startup/portal.c new file mode 100644 index 0000000000..f20eaf4d28 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/qoriq/startup/portal.c @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2016 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#include <bsp/qoriq.h> + +#if QORIQ_CHIP_IS_T_VARIANT(QORIQ_CHIP_VARIANT) + +#include <libcpu/powerpc-utility.h> + +void qoriq_clear_ce_portal(void *base, size_t size) +{ + size_t offset; + + for (offset = 0; offset < size; offset += 64) { + ppc_data_cache_block_clear_to_zero_2(base, offset); + ppc_data_cache_block_flush_2(base, offset); + } +} + +void qoriq_clear_ci_portal(void *base, size_t size) +{ + uint32_t zero; + size_t offset; + + zero = 0; + + for (offset = 0; offset < size; offset += 4) { + ppc_write_word(zero, (char *) base + offset); + } +} + +#endif |